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为了实现在片梭织机上进行纬向控制系统的低成本改造，自行设计了信号转换板，采用常规电子元器件自制的纬纱传感器代替纬纱检测器，并给出了线路连接图。
To innovate weft control system of projectile loom with low cost, signal transducer was designed, designed weft sensor was instead of weft detector, circuit diagram was got.
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